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Speed says:
Its worse than the report. From the Knight Science Journalism Tracker and Seth Borenstein
However ahem. The paper and Natures summary for reporters both say that flipper-banded penguins had a 16 percent lower ten-year survival rate. By contrast, the accompanying data results table says that chances of surviving for ten years fell from 0.36 to 0.20. Well, subtract those two and one does get 0.16 or 16 points difference, but as our alert AP man saw, whats important is not that the rate fell 16 points but that 0.20 is about a 44 percent drop from 0.36
http://ksjtracker.mit.edu/2011/01/13/lots-of-inumerate-ink-penguins-suffer-when-tagged-do-the-math-most-journos-didnt/